Make sure that you do not run out of battery whenever you are out for important errands by taking with you the PowerWireless mobile device charging bank. This power bank is equipped with a 1000 mAh lithium ion battery that features a dual USB output that gives off 5 Volts/1 Ampere and 5 Volts/2.1 Amperes which is enough to charge your smartphones, tablets, MP3 players, and more. You can even charge multiple devices at the same time with this power bank. What makes this better is that it sports a wireless Qi charging functionality, letting you place your wireless charging-enabled phones on top of this power bank to charge it. Should this bank run out of battery, you can charge it by plugging in this bank to the wall with the included micro USB cable.